Как?
Для проги нужно получить состояние (любую информацию) стейт машины, в котором сейчас находится выполняемый воркфлоу. Кто-нибудь добивался успехов в этом нелегком поприще?
Или как это можно сделать в яве? :-)
Tags: workflow, development
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18.11.2008 15:57:42 #
Прежде всего, хочу сказать, что если мы рассматриваем WorkFlow в рамках некоего BPEL-процесса, то не корректно говорить о том, ява у нас используется, .NET или PHP. Систему обработки BPEL-процессов (т.е. бизнес-процессов, записанных на языке BPEL) в дальнейшем договоримся называть BPEL-машиной. В общем случае, BPEL-машина может быть вынесена в отдельное приложение, связь с которым осуществляетися с помошью WebServices, именно так сделано у нас в Naumen DMS. На вопрос, заданный в топике можно ответить так: по внешним проявлениям. Здесь наверное следует немного пояснить. Предположим у нас есть 2 системы: разрабатываемая нами система и BPEL-машина. Для простоты не берем в рассмотрение граничный случай, что мы разрабатываем и BPEL-машину Так вот, основная идея следующая: бизнес-процессы исполняются BPEL-машиной не ради самих себя, а ради того, чтобы изменить состояние объектов в разрабатываемом приложении. Опять же, в случае Naumen DMS такими объектами являются документы и задачи. Таким образом, получается, что между состояними объектов разрабатываемой системы и состоянием бизнес-процесса можно установить взаимно однозначное соответствие. А уж в разрабатываемом нами приложении все объекты находятся под полным нашем контролем. Более того, изменяется состояние бизнес-процесса тоже с помощью изменения состояний внутренних объектов системы. Здесь и проявляются все преимущества архитектуры BPEL-SOAP, кстати, рекомендую почитать что-нибудь на эту тему.
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Друзья, подскажите, пожалуйста, как совместить Машину состояний и BPEL ?
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